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Abstract #0653

Reducing View-sharing artifacts in dynamic Contrast-Enhanced Magnetic Resonance Angiography using Compressed Sensing

Stanislas Rapacchi 1 , Yutaka Natsuaki 2 , Gerhard Laub 2 , John Paul Finn 1 , and Peng Hu 1

1 Radiology, UCLA, Los Angeles, California, United States, 2 Siemens Healthcare, Los Angeles, California, United States

In this work, we aim to study the temporal and spatial blurring effect of view-sharing on dynamic CE-MRA using phantom and in vivo clinical data and its impact on the assessment of blood vessels. Furthermore we propose to reduce artifacts and improve the accuracy of dynamic CE-MRA by limiting the use of view-sharing and reconstruct under-sampled k-spaces with compressed sensing enhanced with parallel imaging.

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